National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Brunswick, Malcolm McKinnon Airport (KSSI)

Lat: 31.15°NLon: 81.39°WElev: 20ft.

Fair

81°F

27°C

Humidity 79%
Wind Speed E 5 mph
Barometer 30.04 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 18 Sep 7:55 pm EDT
Extended Forecast for

4 Miles N Jekyll Island GA

  • Tonight

    Tonight: Mostly cloudy, with a low around 77. East wind 5 to 8 mph becoming calm after midnight.

    Low: 77 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 86. North wind 6 to 9 mph becoming east in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 77. Southeast wind 3 to 8 mph.

    Low: 77 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 86. North wind 6 to 11 mph becoming east in the afternoon. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of thunderstorms before 8pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 77. East wind 3 to 7 mph. Chance of precipitation is 20%.

    Low: 77 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Partly sunny, with a high near 86. Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 76.

    Low: 76 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 70%.

    High: 86 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.

    Low: 75 °F

    Showers
    Likely then
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, with a low around 77. East wind 5 to 8 mph becoming calm after midnight.
Saturday
Mostly sunny, with a high near 86. North wind 6 to 9 mph becoming east in the afternoon.
Saturday Night
Partly cloudy, with a low around 77. Southeast wind 3 to 8 mph.
Sunday
A slight chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 86. North wind 6 to 11 mph becoming east in the afternoon. Chance of precipitation is 20%.
Sunday Night
A slight chance of thunderstorms before 8pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 77. East wind 3 to 7 mph. Chance of precipitation is 20%.
Monday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 76.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Wednesday
A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 85. Breezy. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 74. Breezy. Chance of precipitation is 60%.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. Windy.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. Breezy.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82. Windy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Jekyll Island GA
 31.1°N 81.4°W
Last Update:
2:21 pm EDT Sep 18, 2026
Forecast Valid:
8pm EDT Sep 18, 2026-6pm EDT Sep 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation